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3 years ago

Why do we need to breath 17000 a day

2 answers:

4 0

We need to breath every day and hat just happens to be the amount of times we breath, but a human can actually breath up to 30,000 times per day it all depends.

nataly862011 [7]3 years ago

3 0

Answer:When you exercise, your body's cells need even more oxygen. That's why your heart beats faster and you breathe faster when you exercise. Your body ramps up these processes to provide the oxygenated blood that your body's cells need. ... Over the course of a day, that adds up to 17,000-30,000 breaths per day — or more...

Explanation:

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Extra points for anyone who answer this

il63 [147K]

The 2nd and 4th answer choices sound the best to me. I personally would go for the 2nd one, explaining that the fossils of fish K and fish R and Y are similar. If you get the question wrong, I am VERY sorry. :(

5 0

3 years ago

What was the goal of the EPA Chesapeake Bay Study?

icang [17]

Answer:

the 1987 Chesapeake bay agreement set the first numeric goals to reduce pollution and restore the bay ecosystem

6 0

3 years ago

Fossils of Glossopteris, an extinct fern, were discovered on which continents to support the theory of continental drift? Check

Alenkasestr [34]

Accordin to Du Toit's list supporting the theory of continental drift, the correct options are A, C, ad D. Fossils of Glossopteris were discovered on Africa, Australia, and Antarctica.

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Before answering the question, let us first review some theoretical frameworks,

• The tectonic plates theory explains the movement of the different plates based on the crust movements.

• The continental drift theory explains how these movements have been taking place for millions of years.

Alfred Wegener was the first one to state the concept of continental drift.

He proposed that once all continents were together a single big continent named Pangea, and with time, they split and separated into many pieces.

The geologist Du Toit published in 1937 a list of 10 pieces of evidence that would support the theory of tectonic plates and continental drift.

Du Toit's list includes evidence of Gondwana glaciation, lithological and structural evidence, plates fitting together, and paleontological evidence.

Paleontological evidence

• Plant and animal fossils distribution suggests the existence of a big unique continent. When reconstructing the supercontinent, the areas where these fossils were found get together in the same supercontinental region.

• Glossopteris (fern) impressions are widely distributed in determined areas of Africa, South America, India, Australia and Antarctica.

• Terrestrial vertebrate fossils also support the theory. The presence of Triassic tetrapods in all continents suggests terrestrial corridors between landmasses.

Finding Glossopteris in Australia, India, South America, Antarctica and Africa suggests that continents were once together, and these species used to live in the same region.

With time, these continents diverged and got separated by the oceans. The region where Glossopteris used to live got divided.

The correct options are A, C, and D. Africa, Australia, Antarctica.

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You can learn more about Glossopteris at

brainly.com/question/984155

7 0

3 years ago

According to the evolutionary theory of aging, why hasn't natural selection eliminated many harmful conditions and nonadaptive c

Korolek [52]

Evolutionary Theory of Aging describes the view that natural selection has not eliminated many harmful conditions and nonadaptive characteristics in older adults. Natural selection is linked to reproductive fitness, which is present only in the earlier part of adulthood. According to evolutionary theory, possibly if some disease occurred earlier in development, it might have been eliminated many centuries ago.

8 0

3 years ago

What happens to the atmospheric temperatures when the carbon dioxide levels increase? Decrease?

BARSIC [14]

It affects the layers of the earth the ozone layer which protects us from the sun can't protect very good. Which increases the tempature here on earth.

3 0

3 years ago